Features:
1) As key components of ACBs, ITU400 series products are widely used in
most of the mainstream ACBs, whether for motor protection or distribution
protection
2) Regional selectivity interlocking: selective tripping can be realized by
specified data exchange module to avoid effectively the bypass tripping, thus
reduce the influence of short-circuit to the lowest
3) Multiple field bus build-in, no relay needed within 1,000m
4) RS-232, RS-485, Modbus, CAN, Profibus-DP, DeviceNet supported
5) Dual-air-gap makes the permanent-magnet operation mechanism work
more reliable
6) Dual power supply supported, more trusty in voltage dips
7) Self-diagnose: the inner fault monitoring of MCU, RAM and ROM in the
trip unit, the outer environment and working status monitoring
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